2 pounds bulk pork sausage
2 cups shredded Cheddar cheese, divided
1 (10.75 ounce) can condensed cream of chicken soup, undiluted
1 cup sour cream
1 (8 ounce) package French onion dip
1 cup chopped onion
1/4 cup chopped green pepper
1/4 cup chopped sweet red pepper
1/8 teaspoon pepper
1 (30 ounce) package frozen shredded hash brown potatoes, thawed